The widget adds a preferences pane to the Settings application where you can configure a few aesthetic options for the widget:

You can choose to have the font boldened for ease of readability, you can enable or disable white labels, and enable or disable white icons. The white may be easier to see in some cases.

You can also go to the CCLoader preferences pane to easily enable or disable the CCMeters add-on on demand, as well as choose the position for it in Control Center:

CCMeters is currently only compatible with the iPhone or iPod touch, but the developer hints that iPad support will come in the future. If you want to download this add-on for Control Center to give yourself the handy access to this live information, you can download CCMeters from Cydia's BigBoss repository right now for $1.00.